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643 Scheherezade (A907 RK)
Classification: Outer Main-belt Asteroid          SPK-ID: 2000643
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 38 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0569014868562777 3.4138e-08  
a 3.361619313956683 1.6089e-08 au
q 3.170338176747768 1.1454e-07 au
i 13.7683297341261 3.9051e-06 deg
node 252.1757579827602 1.5483e-05 deg
peri 230.2339070146156 3.7104e-05 deg
M 26.96098937666082 3.3111e-05 deg
tp 2458831.901173759246
(2019-Dec-14.40117376)
0.0002071 TDB
period 2251.237022451913
6.16
1.6162e-05
4.425e-08
d
yr
n .1599120822950528 1.148e-09 deg/d
Q 3.552900451165599 1.7004e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2992  
   data-arc span      41184 days (112.76 yr)  
   first obs. used      1907-09-09  
   last obs. used      2020-06-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .41418  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jun-23 15:17:50  

Additional Information
 Earth MOID = 2.20626 au 
 Jupiter MOID = 1.73756 au 
 T_jup = 3.107 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 9.8   n/a MPO502159  
diameter diameter 64.997 km 0.382 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 14.161 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Published Reference List:
[Behrend, R. (2005) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Warner, B.D. (2006) Minor Planet Bull. 33, 35-39.]
[Behrend, R. (2007) Observatoire de Geneve web site, http://obswww.unige.ch/~behrend/page_cou.html]
[Stephens, R.D. (2018) Minor Planet Bull. 45, 50-54.]
geometric albedo albedo 0.058   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
B-V BV 0.719   0.032 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=4; phase (min.=9.21, mean=10.86, max.=15.29) deg.
U-B UB 0.302   0.030 EAR-A-5-DDR-UBV-MEAN-VALUES-V1.2 #obs=3; phase (min.=9.21, mean=11.32, max.=15.29) deg.
Tholen spectral type spec_T P   n/a EAR-A-5-DDR-TAXONOMY-V4.0 used 7 color indices; used ground-based radiometric albedo

643 Scheherezade (A907 RK)          Discovered 1907-Sep-08 by Kopff, A. at Heidelberg
Reference: DISCOVERY.DBLast Updated: 2003-08-29

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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1923-Nov-23 13:38 00:03 Jupiter 1.84509398803874 1.84509238962325 1.84509558646818 4.30473982180016 4.19674279841966 2423747.068134062 2.57806265431194 274.796050089454 16.1362988726337 73.6931787163571 3787123.56436637 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
1936-Jun-24 22:52 00:02 Jupiter 1.66781226495818 1.66781138217478 1.66781314775477 4.21133276490299 4.08896011329466 2428344.453071292 2.03477084204834 262.80585384133 15.2301002890482 81.5763182584134 3491348.84870069 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
1949-Jan-14 17:37 00:02 Jupiter 1.60473015345571 1.60472973584338 1.60473057106859 3.8652404392978 3.72618120826602 2432931.234275374 1.65638175277564 190.315268875549 18.4604411603182 89.3659614088587 2907997.06011123 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
1961-Sep-01 17:34 00:02 Jupiter 1.66913577931922 1.6691352126937 1.66913634594483 3.07368666079034 2.90389845654732 2437544.231948913 1.5072075874554 115.400913639536 36.4424858174633 -88.7106744005905 1712006.44722505 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
1974-Jul-27 16:26 00:02 Jupiter 1.77760358659947 1.77760300820403 1.77760416499481 1.59707451961803 1.26398311467598 2442256.184828995 1.49242515217881 322.809175489403 56.9611090144863 77.2837721337388 2909072.82356006 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
1987-Jul-15 17:05 < 00:01 Jupiter 1.77042511611132 1.77042460008178 1.77042563214096 3.24637884874027 3.0954996136032 2446992.211528058 0.768519104347162 61.264007226082 22.148267102616 -75.32404984456 2208057.48028613 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
2000-Apr-15 17:33 < 00:01 Jupiter 1.74314252199133 1.74314212249135 1.7431429214913 4.5926004743487 4.48554848331973 2451650.231525698 0.351315017372506 51.4796257415507 18.1349200027692 -84.0956737942031 3864208.68374102 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
2012-Dec-24 17:36 < 00:01 Jupiter 1.83685933841384 1.83685897906883 1.83685969775886 5.23414102142003 5.14528730119293 2456286.233208783 0.164200759422719 47.7563827210954 16.9290159974273 -86.5036120415452 4891511.470723 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
2089-Jul-04 19:25 00:02 Jupiter 1.99705005851358 1.9970491424597 1.99705097457029 4.47035561869198 4.37444918394075 2484237.309182297 1.50507628381675 137.902508090104 15.8344758527858 71.7822120083098 4487644.3189036 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
2102-Feb-20 20:15 00:02 Jupiter 1.78311356560929 1.78311277297985 1.78311435824541 4.40250340517755 4.29324904479353 2488850.343791984 1.68794239822794 196.591318217936 14.7942161000848 79.5476431842542 4049501.63769925 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
2114-Sep-21 09:00 00:02 Jupiter 1.66403123668219 1.66403078789298 1.66403168547501 4.09013782244097 3.96373442712424 2493445.875031819 1.98571211171434 221.197168473914 16.7736728103042 87.2538436797698 3377943.65679329 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
2127-Apr-27 12:32 00:03 Jupiter 1.65665507825618 1.65665446908267 1.65665568743205 3.44239631359611 3.29052014636569 2498047.022368885 2.60996481213306 176.740619597877 28.2544409972109 -81.194159982754 2042657.03832835 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
2140-Feb-02 20:40 00:04 Jupiter 1.73032181604247 1.73032096325163 1.73032266892281 1.99647372991473 1.73403364840515 2502711.361299185 4.2007943086605 999.618540089486 45.5853715144796 75.1145219680648 2346178.03396054 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
2153-Feb-10 12:27 00:05 Jupiter 1.74068553959087 1.74068485298679 1.74068622619772 2.35888546795251 2.14269339474972 2507468.018663429 4.68360847243986 233.001085691323 44.9020679812444 -38.9533152577701 839417.540278306 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
2165-Nov-25 09:10 00:04 Jupiter 1.68423417434069 1.68423366425343 1.68423468443657 4.01351224210688 3.88618777246079 2512138.881727566 4.11779035897733 385.239260220393 19.5165952864536 -85.7865271421522 2874127.58696313 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
2178-Jul-31 08:42 00:04 Jupiter 1.71784142592248 1.71784025204168 1.71784259984351 4.83477128314636 4.73168742183802 2516769.862241136 4.27743201074021 446.853813156488 17.8178749659526 83.4855095922427 4043042.91898503 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18
2191-Apr-08 21:59 00:05 Jupiter 1.90371437447491 1.90371181458829 1.90371693438068 5.17895771451721 5.09232166933327 2521404.416143053 4.7493210233345 335.632410875943 24.9388543018609 68.2422342985653 4797435.98906641 T 38 CATAB v2.0f-lin.ifort 2020-Jun-23 15:18:03 2020-Jun-23 15:18

Alternate Designations
 A907 RK = 1956 VG = A899 LC 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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